Released: Jun 20, 2026

Updates in V26.6

Funktionen

• Added the ability to use a compression type when saving a presentation as a PPTX file.
• Added support for importing PDF Graphic Paths as native PowerPoint shapes.

Fehlerkorrekturen

• Underline is missing when converting a shape to an image.
• Chart bars use different Y-axis scale when exported to PNG and HTML.
• Chart thumbnail and the chart on the presentation do not match.
• NullReferenceException occurs when loading PPT files.
• AccessViolationException is thrown when importing PDF content...

Released: May 31, 2026

Updates in V26.5

Funktionen

• Added support for importing Excel cell ranges as native PowerPoint tables via ExcelWorkbookImporter.
• Implemented transition behavior between slides with animation in HTML5.

Fehlerkorrekturen

• Cannot open a presentation after PPT to PPTX conversion.
• Stack overflow when converting a slide to an image.
• Alright Sans fonts are displayed incorrectly when converting PPTX to PDF.
• Latest versions are slower during PPTX-to-HTML5 conversions.
• X-axis title is cut when converting a chart to an...

Released: Apr 24, 2026

Updates in V26.4

Fehlerkorrekturen

• Embedded Japanese fonts are rendered as garbled text when converting slides to images.
• Slide layout 'ColorMapOverride' is not applied to master slide shapes when rendering.
• Dashed lines on a chart are displayed incorrectly when converting PPTX to PDF.
• 'PptxReadException' occurs when loading a PPTX file.
• Vertical text incorrectly rotated when converting PPTX to PDF.
• PowerPoint to PDF/UA-1: Table header options (Header Row / First Column) not mapped correctly.
• Accessing...

Released: Mar 23, 2026

Updates in V26.3

Funktionen

• Added support for opening text disguised as .ppt/.pps as text-imported presentations.

Fehlerkorrekturen

• Semi-transparent EMF image is rendered as blank in PDF.
• Text is not wrapped correctly when exporting an EMF image to PDF.
• Failed to find a way to determine an inherited scheme color.
• PowerPoint to PDF/UA - Decorative elements not tagged as artifacts.
• PowerPoint to PDF/UA - Structure tags remain although text box is marked as decorative (artifact).
• PowerPoint to PDF/UA - Inconsistent...

Released: Feb 23, 2026

Updates in V26.2

Fehlerkorrekturen

• An SVG image is missing when converting a slide to PNG.
• PowerPoint to PDF/UA - Empty H2 tag on last slide (no content, no reference).
• Exception "Unable to cast object of type 'e' to type 'System.Int32'" when creating Presentation from the PowerPoint file.
• SVG image is displayed incorrectly when converting PPTX to PDF.
• PowerPoint to PDF/UA - Formula path element has incorrect position and invalid BBox.

Released: Jan 27, 2026

Updates in V26.1

Funktionen

• Added support for sensitivity labels.
• Restored access to graphics path information from ShapeElement.

Fehlerkorrekturen

• Ink objects are displayed incorrectly when converting PPTX to PDF.
• Graphics object is shifted when converting PPTX to PDF.
• A shape's hyperlink is missing when converting PPTX to HTML.
• Images are distorted when converting PPTX to PDF.
• Text shadow is displayed incorrectly when converting PPTX to PDF.
• Aspose.Slides 23.11 - Image rendering issue when saving a particular...

Released: Dec 19, 2025

Updates in V25.12

Funktionen

• Implemented Aspose.Slides Plugins.
• Added support for managing Guides on masters and slide layouts.
• Added support for populating data tags with data from another file.

Fehlerkorrekturen

• Image is slightly shifted when converting a slide to an image.
• JoinPortionsWithSameFormatting carries over the "err" flag from the first text run.

Released: Nov 24, 2025

Updates in V25.11

Funktionen

• Improved export of metafiles to PDF.
• Implemented the ability to assign custom image-saving handlers.
• Added support for retrieving font substitutions per slide.

Fehlerkorrekturen

• Table in EMF image is displayed incorrectly when converting presentation to PDF.
• Missing marked content references when converting PPTX to PDF/UA.
• Multi-line headings are split into separate heading tags when converting PPTX to PDF/UA.
• Table is exported as multiple <P> tags when converting PPTX to PDF/UA...

Released: Oct 14, 2025

Updates in V25.10

Funktionen

• Improved export of metafiles to PDF.

Fehlerkorrekturen

• Table is exported as multiple <P> tags when converting PPTX to PDF/UA.
• Formula is exported as multiple <P> tags when converting PPTX to PDF/UA.
• Missing marked content references when converting PPTX to PDF/UA.
• Multi-line headings are split into separate heading tags when converting PPTX to PDF/UA.

Released: Sep 20, 2025

Updates in V25.9

Funktionen

• Improved import of extended Excel charts.

Fehlerkorrekturen

• Missing X, Y, Width, and Height values for chart elements.
• Accessibility errors of PDF structure with PowerPoint zoom links when validating the file with PAC (PDF Accessibility Checker).